Scores on a dental anxiety scale range from 0 (no anxiety) to 20 (extreme anxiety). the scores are normally distributed with a mean of and a standard deviation of 44. find the z-score for the given score on this dental anxiety scale: 9

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

3x = 729 solve for x plz . it's urgent. will mark